* is used in preference to the {@code rev} attribute. When disabled (the default), the {@code rev} attribute is always used.
     */
    void setDynamicMode(boolean mode);

        boolean dynamicResolve;

        @Override
        public boolean isDynamicMode() {
            return dynamicResolve;
        }

        @Override
        public void setDynamicMode(boolean mode) {
            this.dynamicResolve = mode;
        }
    }

    private class IvyMetadataSources implements MetadataSources {
        boolean gradleMetadata;
        boolean ivyDescriptor;